Whats the difference between PC5300 and PC2-5300 memory?

8 replies
Found 5th Aug 2008
Anyone know, as my Dell takes PC2 memory and I wanna upgrade. Do I have to go for the PC2-5300 stuff?

8 Comments

I think the PC2 is DDR2 RAM? whereas the PC RAM is DDR... :?
Im sure someone can put me right! :thumbsup:

birdyboyuk;2677806

I think the PC2 is DDR2 RAM? whereas the PC RAM is DDR... :?Im sure … I think the PC2 is DDR2 RAM? whereas the PC RAM is DDR... :?Im sure someone can put me right! :thumbsup:


correct. only pc2 will work

There is no difference - PC2-5300 is just another name, that's all. DDR2-667MHz, PC5300, PC2-5300, it's all different ways of describing the same stuff, which is DDR2 SDRAM running at 667MHz, with a theoretical bandwidth of 5300MB/s.


Edit: DDR memory only extends as far as PC3200 (or DDR3200, or DDR400), so you're safe in buying PC5300.

Original Poster

I read somewhere that they run at different voltages (2.5v and 1.7v respectively), but most say there is no difference. I'll go with the majority methinks
Thx

Scribbles;2678112

I read somewhere that they run at different voltages (2.5v and 1.7v … I read somewhere that they run at different voltages (2.5v and 1.7v respectively), but most say there is no difference. I'll go with the majority methinks :)Thx



The standard voltage is 1.8v. However some high peformance ram uses higher voltages normally upto 2.2v. Make sure you check your motherboard to see if it supports this higher voltage as many cheaper ones dont.

Original Poster

I only want the play.com value stuff as it's only £11.49 a gig. 4gb of 667mhz ram for £46 is astounding!
It's for a Dell Dimension E521

dxx;2677908

Edit: DDR memory only extends as far as PC3200 (or DDR3200, or DDR400), … Edit: DDR memory only extends as far as PC3200 (or DDR3200, or DDR400), so you're safe in buying PC5300.



Actually, DDR memory went all the way up to DDR600 at least, DDR400 was only the maximum JEDEC spec.

PC2 means DDR2 though, and as the play.com memory says DDR2 as well as PC5300 there won't be any problem with that working.

Obviously make sure that your dell does have four memory slots and not just two.

Original Poster

The E521 has 2 banks of two, according to all the reviews i've read. Each one handles 1gb max.
So it should pair up fine. I've not opened the box, but the reviews are quite specific about the 4 memory slots on the E521.
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